using System.ComponentModel.DataAnnotations; namespace DiaryApp.Models { public class DiaryEntry { //[Key] public int Id { get; set; } [Required(ErrorMessage = "Please enter a title")] [StringLength(50, MinimumLength = 3, ErrorMessage = "Title must be between 3 and 100 Characters!")] public string Title { get; set; } = string.Empty; [Required] public string Content { get; set; } = string.Empty; [Required] public DateTime DateCreated { get; set; } = DateTime.Now; } }